1969 at P.S.1 Contemporary Art Center » Mel Bochner, Theory of Painting 1969-1970. Blue spray paint on newspaper on floor, vinyl on wall, size determined by installation. Collection: Museum of Modern Art, New York, photo by James Ewing

Mel Bochner, Theory of Painting 1969-1970. Blue spray paint on newspaper on floor, vinyl on wall, size determined by installation. Collection: Museum of Modern Art, New York, photo by James Ewing

Mel Bochner, Theory of Painting 1969-1970. Blue spray paint on newspaper on floor, vinyl on wall, size determined by installation. Collection: Museum of Modern Art, New York, photo by James Ewing